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GB/T 11213.4-2006 Active
GB/T 11213.4-2006 Sodium hydroxide for chemical fiber use—Determination of silicon content—Reduced molybdosilicate spectrophotometric method
Abstract
This standard specifies the method for determining the silicon content in sodium hydroxide used for chemical fiber production. This standard is applicable to the determination of silicon dioxide (calculated as SiO2) in sodium hydroxide products with a content of 2μg to 200μg in the test sample.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 11213.4-2006 |
| CCS | Inorganic acids and alkalis |
| ICS | \nAlkali |
| Implement Date | 2007-06-01 |
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